Reading lamp



FIG. 1 is a right side view of the reading lamp, showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a bottom view thereof.

The ornamental design for a reading lamp, as shown and described.